better shutdown

cmd/membership/main.go

@@ -49,6 +49,10 @@ func gracefulShutdown() {
 	defer cancel()
 
 	// Call the server's shutdown function
-	server.Shutdown(ctx)
-	logger.Info.Println("Server gracefully stopped")
+	if err := server.Shutdown(ctx); err != nil {
+		logger.Error.Fatalf("Error during  Server  shutdown: %#v", err)
+	} else {
+
+		logger.Info.Println("Server gracefully stopped")
+	}
 }